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Table 4 Prediction of 6MWD Using Biomarker Value at Previous Visit in Patients with PAH

From: Treatment-related biomarkers in pulmonary hypertension patients on oral therapies

Biomarkera

Estimate

Standard error

Standardized model coefficientsb

p-value

ET-1 (N = 48)

− 36.60

14.30

− 15.46

0.015

NT-proBNP (N = 49)

− 7.00

4.62

− 8.63

0.14

RDW (N = 49)

− 16.63

65.35

− 1.88

0.80

cGMP (N = 46)

− 8.51

12.22

− 5.05

0.49

SNO-Hb (N = 41)

− 5148.68

5365.76

− 3.69

0.35

cGMP/NTproBNP ratio (N = 44)

  Log(cGMP/NTproBNP + 1) ≤ 0.75c

59.91

33.47

25.21

0.083

  Log(cGMP/NTproBNP + 1) > 0.75c

− 30.73

29.63

− 12.93

0.31

NO2− (N = 41)

3.31

9.53

3.64

0.73

ADMA (N = 46)

− 0.0026

0.064

− 0.22

0.97

SDMA (N = 47)

− 23.97

17.87

− 7.62

0.19

  1. aAll biomarkers were transformed as log(biomarker + 1) besides ADMA
  2. bStandarized model coefficients quantify change per 1 standard deviation increase in values of each biomarker
  3. cPer 1 unit increase on log scale